1989448045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{431083}}^1$

素因数の和:431172

約数の個数: 16

約数和(自身を含む): 2607196032

約数和(自身を除く): 617747987

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 431083, 2155415, 5604079, 28020395, 30606893, 153034465, 397889609, 1989448045]

約数ペア:

[(1, 1989448045), (5, 397889609), (13, 153034465), (65, 30606893), (71, 28020395), (355, 5604079), (923, 2155415), (4615, 431083)]